package cn.sky1998.mango.framework.web.core.page;

import cn.sky1998.mango.framework.utils.ServletUtils;

/**
 * 表格数据处理
 *
 * @author tcy@1753163342@qq.com
 */
public class TableSupport {
  /**
   * 当前记录起始索引
   */
  public static final String PAGE_NUM = "pageNum";

  /**
   * 每页显示记录数
   */
  public static final String PAGE_SIZE = "pageSize";

  /**
   * 排序列
   */
  public static final String ORDER_BY_COLUMN = "orderByColumn";

  /**
   * 排序的方向 "desc" 或者 "asc".
   */
  public static final String IS_ASC = "isAsc";

  /**
   * 封装分页对象
   */
  public static PageDomain getPageDomain() {
    PageDomain pageDomain = new PageDomain();
    pageDomain.setPageNum(ServletUtils.getParameterToInt(PAGE_NUM));
    pageDomain.setPageSize(ServletUtils.getParameterToInt(PAGE_SIZE));
    pageDomain.setOrderByColumn(ServletUtils.getParameter(ORDER_BY_COLUMN));
    pageDomain.setIsAsc(ServletUtils.getParameter(IS_ASC));
    return pageDomain;
  }

  public static PageDomain buildPageRequest() {
    return getPageDomain();
  }
}
